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Details for Electric Motor, Power Tool, and Related Repairers


Description

Repair, maintain, or install electric motors, wiring, or switches.

Tasks

  • Record repairs required, parts used, and labor time.
  • Solder, wrap, and coat wires to ensure proper insulation.
  • Drain and filter transformer oil and refill transformers with oil until coils are submerged.
  • Position and level battery cells, anodes, or cathodes, using hoists or leveling jacks, or signal other workers to perform positioning and leveling.
  • Rewind coils on cores in slots, or make replacement coils, using coil-winding machines.
  • Set machinery for proper performance, using computers.
  • Sharpen tools such as saws, picks, shovels, screwdrivers, and scoops, either manually or by using bench grinders and emery wheels.
  • Test conditions, fluid levels, and specific gravities of electrolyte cells, using voltmeters, hydrometers, and thermometers.
  • Bolt porcelain insulators to wood parts in order to assemble hot stools.
  • Steam-clean polishing and buffing wheels to remove abrasives and bonding materials, and spray, brush, or recoat surfaces as necessary.
  • Fabricate and assemble electrolytic cell parts for storage batteries.
  • Pour compounds into transformer-case terminal openings in order to seal out moisture.
  • Repair and operate battery-charging equipment.
  • Seal joints with putty, mortar, and asbestos, using putty extruders and knives.
  • Adjust working parts, such as fan belts, contacts, and springs, using hand tools and gauges.
  • Assemble electrical parts such as alternators, generators, starting devices, and switches, following schematic drawings and using hand, machine, and power tools.
  • Disassemble defective equipment so that repairs can be made, using hand tools.
  • Inspect and test equipment in order to locate damage or worn parts and diagnose malfunctions, or read work orders or schematic drawings to determine required repairs.
  • Inspect electrical connections, wiring, relays, charging resistance boxes, and storage batteries, following wiring diagrams.
  • Lubricate moving parts.
  • Measure velocity, horsepower, revolutions per minute (rpm), amperage, circuitry, and voltage of units or parts to diagnose problems, using ammeters, voltmeters, wattmeters, and other testing devices.
  • Read service guides to find information needed to perform repairs.
  • Reassemble repaired electric motors to specified requirements and ratings, using hand tools and electrical meters.
  • Reface, ream, and polish commutators and machine parts to specified tolerances, using machine tools.
  • Remove and replace defective parts such as coil leads, carbon brushes, and wires, using soldering equipment.
  • Repair and rebuild defective mechanical parts in electric motors, generators, and related equipment, using hand tools and power tools.
  • Rewire electrical systems, and repair or replace electrical accessories.
  • Scrape and clean units or parts, using cleaning solvents and equipment such as buffing wheels.
  • Test battery charges, and replace or recharge batteries as necessary.
  • Test equipment for overheating, using speed gauges and thermometers.
  • Verify and adjust alignments and dimensions of parts, using gauges and tracing lathes.
  • Weld, braze, or solder electrical connections.
  • Add water or acid to battery cell solutions to obtain specified concentrations.
  • Clean cells, cell assemblies, glassware, leads, electrical connections, and battery poles, using scrapers, steam, water, emery cloths, power grinders, or acid.
  • Clean, rinse, and dry transformer cases, using boiling water, scrapers, solvents, hoses, and cloths.
  • Cut and form insulation, and insert insulation into armature, rotor, or stator slots.
  • Hammer out dents and twists in tools and equipment.
  • Inspect batteries for structural defects such as dented cans, damaged carbon rods and terminals, and defective seals.
  • Lift units or parts such as motors or generators, using cranes or chain hoists, or signal crane operators to lift heavy parts or subassemblies.
  • Maintain stocks of parts.

Interests

  • Realistic - Realistic occupations frequently involve work activities that include practical, hands-on problems and solutions. They often deal with plants, animals, and real-world materials like wood, tools, and machinery. Many of the occupations require working outside, and do not involve a lot of paperwork or working closely with others.

Education, Training, Experience

  • Education - Most occupations in this zone require training in vocational schools, related on-the-job experience, or an associate's degree.
  • Training - Employees in these occupations usually need one or two years of training involving both on-the-job experience and informal training with experienced workers. A recognized apprenticeship program may be associated with these occupations.
  • Experience - Previous work-related skill, knowledge, or experience is required for these occupations. For example, an electrician must have completed three or four years of apprenticeship or several years of vocational training, and often must have passed a licensing exam, in order to perform the job.

Knowledge

  • Engineering and Technology - Knowledge of the practical application of engineering science and technology. This includes applying principles, techniques, procedures, and equipment to the design and production of various goods and services.
  • Mechanical - Knowledge of machines and tools, including their designs, uses, repair, and maintenance.

Skills

  • Critical Thinking - Using logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions or approaches to problems.
  • Equipment Maintenance - Performing routine maintenance on equipment and determining when and what kind of maintenance is needed.
  • Troubleshooting - Determining causes of operating errors and deciding what to do about it.
  • Repairing - Repairing machines or systems using the needed tools.
  • Quality Control Analysis - Conducting tests and inspections of products, services, or processes to evaluate quality or performance.

Related Careers

  • Coin, Vending, and Amusement Machine Servicers and Repairers
  • Control and Valve Installers and Repairers, Except Mechanical Door
  • Electrical and Electronics Repairers, Powerhouse, Substation, and Relay
  • Farm Equipment Mechanics
  • Home Appliance Repairers
  • Mechanical Door Repairers
  • Motorboat Mechanics
  • Outdoor Power Equipment and Other Small Engine Mechanics
  • Rail Car Repairers
  • Refrigeration Mechanics and Installers
Wages for this career
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